using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using DAO;

namespace BUS
{
    public class SachBUS
    {
        public static DataTable LayDanhSachSach_BUS()
        {
            return SachDAO.laydanhsachsach_DAO();
        }

        public static DataTable LayTatCaSach_BUS()
        {
            return SachDAO.LayTatCaSach_DAO();
        }
      
    }

}
